Παραπομπή APA

Tan, K. H. (2000). Environmental soil science (2nd ed.). md.

Παραπομπή Chicago Style

Tan, Kim H. Environmental Soil Science. 2nd ed. New York: md, 2000.

Παραπομπή MLA

Tan, Kim H. Environmental Soil Science. 2nd ed. md, 2000.